iMX7d cpu1 issue

Fabio Estevam festevam at gmail.com
Mon Feb 22 12:59:50 PST 2016


Hi Frank,

On Mon, Feb 22, 2016 at 5:48 PM, Frank Li <frank.li at nxp.com> wrote:

> Upstream kernel use PSCI to enable second core.  You can't define CONFIG_MX7_SEC.
>
> NXP released kernel use legacy method, which require kernel run in security mode. So you have to define CONFIG_MX7_SEC.

Thanks for the clarification.

With linux-next I can see the two cores brought up:

[    0.005377] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[    0.007734] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[    0.007862] Brought up 2 CPU



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